Banana Cream pie

2/3 C Sugar
1/2 t Salt
2 1/2 T starch
1 1/2 t Vanilla
1 T Butter
3 large bananas
1 T FLour
3 C Milk
3 egg yolks (beaten)
1 pt cream

Directions:
Mix sugar, salt, cornstarch, and flour in a saucepan; stir milk in gradually. Cook over medium heat, stirring constantly until it boils for one minutes. Remove from heat slowly stirring yolks into half the mixture; then add the rest of the mixture. Boil again for one minute stirring constantly and remove from heat. Then add butter and vanilla. Cool, stirring occasionally. Slice bananas and line bottom of pie shell, then fill. Top with whipped cream garnished with a ring of banana slices.